CN108776564B - Preparation method of ultrathin flexible double-layer touch screen sensor - Google Patents
Preparation method of ultrathin flexible double-layer touch screen sensor Download PDFInfo
- Publication number
- CN108776564B CN108776564B CN201810892399.7A CN201810892399A CN108776564B CN 108776564 B CN108776564 B CN 108776564B CN 201810892399 A CN201810892399 A CN 201810892399A CN 108776564 B CN108776564 B CN 108776564B
- Authority
- CN
- China
- Prior art keywords
- photo
- layer
- adhesive layer
- curing adhesive
- touch screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000012790 adhesive layer Substances 0.000 claims abstract description 61
- 238000000016 photochemical curing Methods 0.000 claims abstract description 61
- 239000000758 substrate Substances 0.000 claims abstract description 57
- 239000010410 layer Substances 0.000 claims abstract description 52
- 238000000034 method Methods 0.000 claims abstract description 27
- 239000011248 coating agent Substances 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 13
- 238000005452 bending Methods 0.000 claims abstract description 11
- 230000003287 optical effect Effects 0.000 claims abstract description 10
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 27
- 229910052709 silver Inorganic materials 0.000 claims description 20
- 239000004332 silver Substances 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 239000004020 conductor Substances 0.000 claims description 10
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 9
- -1 acrylic ester Chemical class 0.000 claims description 9
- 239000006185 dispersion Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 238000002834 transmittance Methods 0.000 claims description 7
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical group C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 claims description 6
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000002042 Silver nanowire Substances 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 6
- 239000002041 carbon nanotube Substances 0.000 claims description 4
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000005530 etching Methods 0.000 claims description 4
- 229910021389 graphene Inorganic materials 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000007822 coupling agent Substances 0.000 claims description 3
- 238000001723 curing Methods 0.000 claims description 3
- 239000002270 dispersing agent Substances 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000007639 printing Methods 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 239000002070 nanowire Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 8
- 239000000853 adhesive Substances 0.000 abstract description 6
- 230000001070 adhesive effect Effects 0.000 abstract description 6
- 230000010354 integration Effects 0.000 abstract description 3
- 238000003475 lamination Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010329 laser etching Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Abstract
The invention discloses a preparation method of an ultrathin flexible double-layer touch screen sensor. The method can prepare the ultrathin double-layer capacitive structure touch screen sensor, the thickness of the sensor is determined according to the thickness of the flexible film, the material selection and the coating thickness of the photo-curing adhesive layer, and the photo-curing adhesive layer can be very thin; meanwhile, the method realizes integration of the double-layer conductive image-text, the photo-curing adhesive layer and the flexible substrate, and does not need lamination bonding of optical adhesive and the like to form a multilayer structure, thereby realizing super-soft and bending-resistant mechanical properties.
Description
Technical Field
The invention belongs to the technical field of touch screens, and particularly relates to a preparation method of an ultrathin flexible double-layer touch screen sensor.
Background
With the increasing market expectations and demands of wearable equipment, flexible display and the like, the development of blowout type of flexible transparent conductive films and flexible touch technologies based on the flexible transparent conductive films will occur. However, the touch screen material used in the market at present is mainly a transparent conductive film mainly made of ITO, and is a ceramic material, so that the touch screen material is brittle and lacks flexibility, and therefore, the touch screen material cannot meet the requirements of wearing equipment and the like on flexible touch. At present, transparent conductive films using carbon nanotubes, graphene, silver nanowires, metal grids and the like as conductive materials are mainly developed in the market. The silver nanowire has high conductivity, good light transmittance and low preparation cost, and has the best market prospect. The current mode of preparing flexible touch screens by silver nanowire transparent conductive films in the market mainly comprises the steps of coating a silver wire formula on a flexible substrate, such as PET, PEN, PC, preparing a flexible transparent conductive film, and then preparing functional devices on the flexible film materials through laser etching or yellow light processing.
The structure of a common double-layer flexible touch sensor is generally a PFF structure, namely touch graphics are formed on two flexible conductive films respectively, the two films are attached by optical cement, and finally the two films are attached to a flexible cover plate. The mode needs to be applied with optical adhesive, has complex structure, thicker thickness and relatively higher cost, and in addition, the optical adhesive is used for applying, the mechanical property of the optical adhesive is not matched with that of the flexible conductive film base material, and deformation defects such as folds are caused in the bending process.
Disclosure of Invention
The invention aims to solve the technical problems and provides a preparation method of an ultrathin flexible double-layer touch screen sensor, which is simple and low in cost, and can realize the super-flexibility and bending resistance of the double-layer touch screen sensor.
The invention is realized by the following technical scheme:
the preparation method of the ultrathin flexible double-layer touch screen sensor comprises the following steps of S1 and S2:
the step S1 comprises the following steps:
1) Treating the rigid substrate with a flat surface, and adjusting the surface tension;
2) Coating nano conductive dispersion liquid on a rigid substrate, and removing a dispersing agent in the nano conductive dispersion liquid to form a nano conductive network;
3) Printing silver paste on the nano conductive network on the rigid substrate, removing the solvent in the silver paste and sintering;
4) Etching the nano conductive network and silver paste on the rigid substrate to form a touch graph;
5) Coating a photo-curing adhesive layer on the nano conductive surface of the rigid substrate, removing the solvent, and aligning and attaching one side of the flexible film on the photo-curing adhesive layer on the rigid substrate;
6) Photo-curing the photo-curing adhesive layer, and integrally forming a receiving electrode layer of the conductive touch sensor by the nano conductive network, the photo-curing adhesive layer and the flexible film on the rigid substrate;
7) Removing the formed receiving electrode layer of the conductive touch sensor from the rigid substrate to form an ultrathin flexible receiving electrode layer of the conductive touch sensor;
the step S2 comprises the following steps:
8-11), repeating the steps 1-4); 12 Coating a photo-curing adhesive layer on the nano conductive surface of the rigid substrate, removing the solvent to form an emitter layer of the conductive touch sensor, and attaching the other surface of the flexible film of the receiving electrode layer of the conductive touch sensor in the step S1 to the photo-curing adhesive layer in the step S2 in an alignment manner;
13 Light curing is carried out on the photo-curing adhesive layer, and the nano conductive network and the photo-curing adhesive layer on the rigid substrate form a double-sided conductive touch sensor;
14 The double-sided conductive touch sensor is torn off from the rigid substrate to form the ultrathin flexible double-layer touch screen sensor.
Further, the photo-curing adhesive layer comprises the following components in percentage by mass: 0.2% -5% of photoinitiator, 25% -35% of modified polyurethane acrylic ester, and the balance of triazine ring-containing polyfunctional acrylic ester and dipentaerythritol polyfunctional acrylic ester;
or the photo-curing adhesive layer comprises the following components in percentage by mass: 0.2-5% of photoinitiator, 25-35% of modified polyurethane acrylate, 1-10% of inorganic nano filler, 0.5-2% of coupling agent, and the balance of triazine ring-containing multifunctional acrylate and dipentaerythritol multifunctional acrylate.
Further, the flexible substrate of the flexible film is one of PET, PI, COP optical transparent substrates with light transmittance more than or equal to 90%; the rigid substrate is selected from one of glass, silicon chip and copper plate.
Further, the heat treatment temperature adopted in the step 1) of forming the nano conductive network by the rigid substrate is 40-120 ℃; and/or 3) said sintering is carried out in an IR furnace or a forced air oven at a temperature of 80-150 ℃.
Further, the sheet resistance of the nano conductive network in 2) is 50-100 omega;
further, the dispersion liquid contains 0.1-1% of nano conductive material by mass percent, wherein the nano conductive material is selected from one of carbon nano tubes, graphene, silver nano wires and copper nano wires.
Further, the nano conductive material and the silver paste are embedded in the photo-curing adhesive layer, and the photo-curing adhesive layer is combined with the flexible substrate of the flexible film without a transition adhesive layer.
Further, the thickness of the nano conductive network is 20-200nm, the thickness of the flexible film is 5-50um, and the thickness of the silver paste is 3-5um.
Further, the viscosity of the photo-curing adhesive layer is 500-5000cps, the thickness of the coated photo-curing adhesive layer is 2-20um, and the thickness of the ultrathin flexible double-layer touch screen sensor is 10-100um.
Further, the visible light transmittance of the ultrathin flexible double-layer touch screen sensor is 85% -95%, the thickness is 10-100um, the bending radius is 1-6mm, and the bending times are more than hundred thousand times.
The invention has the beneficial effects that: the invention utilizes the photo-curing adhesive layer to integrate the conductive touch image-text formed by silver paste on the rigid substrate and the conductive touch image-text formed by flexible film silver paste on the photo-curing adhesive layer, and simultaneously the photo-curing adhesive layer and the flexible substrate are integrated into a whole to prepare the ultrathin flexible double-layer touch screen sensor. The method can prepare the ultrathin flexible double-layer capacitive structure touch sensor, the thickness of the sensor is determined according to the thickness of the flexible film, the material selection and the coating thickness of the photo-curing adhesive layer, and the photo-curing adhesive layer can be very thin; meanwhile, the method realizes integration of the double-layer conductive image-text, the photo-curing adhesive layer and the flexible substrate, does not need lamination bonding of optical adhesive and the like to form a multi-layer structure, simplifies the manufacturing process, reduces the thickness and realizes the mechanical properties of super softness and bending resistance.
Drawings
FIG. 1 is a flow chart of a method for manufacturing an ultrathin flexible double-layer touch screen sensor.
Detailed Description
As shown in fig. 1, the preparation method of the ultrathin flexible double-layer touch screen sensor comprises the following steps S1 and S2:
the step S1 comprises the following steps:
1) Treating the rigid substrate with a flat surface, and adjusting the surface tension;
2) Coating nano conductive dispersion liquid on a rigid substrate, and removing a dispersing agent in the nano conductive dispersion liquid to form a nano conductive network;
3) Printing silver paste on the nano conductive network on the rigid substrate, removing the solvent in the silver paste and sintering;
4) Etching the nano conductive network and silver paste on the rigid substrate to form a touch graph;
5) Coating a photo-curing adhesive layer on the nano conductive surface of the rigid substrate, removing the solvent, and aligning and attaching one side of the flexible film on the photo-curing adhesive layer on the rigid substrate;
6) Photo-curing the photo-curing adhesive layer, and integrally forming a receiving electrode layer of the conductive touch sensor by the nano conductive network, the photo-curing adhesive layer and the flexible film on the rigid substrate;
7) Removing the formed receiving electrode layer of the conductive touch sensor from the rigid substrate to form an ultrathin flexible receiving electrode layer of the conductive touch sensor;
the step S2 comprises the following steps:
8-11), repeating the steps 1-4); 12 Coating a photo-curing adhesive layer on the nano conductive surface of the rigid substrate, removing the solvent to form an emitter layer of the conductive touch sensor, and attaching the other surface of the flexible film of the receiving electrode layer of the conductive touch sensor in the step S1 to the photo-curing adhesive layer in the step S2 in an alignment manner;
13 Light curing is carried out on the photo-curing adhesive layer, and the nano conductive network and the photo-curing adhesive layer on the rigid substrate form a double-sided conductive touch sensor;
14 The double-sided conductive touch sensor is torn off from the rigid substrate to form the ultrathin flexible double-layer touch screen sensor.
In this embodiment, the photo-curing adhesive layer is composed of the following components in percentage by mass: 0.2% -5% of photoinitiator, 25% -35% of modified polyurethane acrylic ester, and the balance of triazine ring-containing polyfunctional acrylic ester and dipentaerythritol polyfunctional acrylic ester.
Or the photo-curing adhesive layer comprises the following components in percentage by mass: 0.2-5% of photoinitiator, 25-35% of modified polyurethane acrylate, 1-10% of inorganic nano filler, 0.5-2% of coupling agent, and the balance of triazine ring-containing multifunctional acrylate and dipentaerythritol multifunctional acrylate.
In the embodiment, the flexible substrate of the flexible film is one of PET, PI, COP optical transparent substrates with light transmittance more than or equal to 90%; the rigid substrate is selected from one of glass, silicon chip and copper plate.
In this example, the rigid substrate of 1) is subjected to a heat treatment at a temperature of 40-120 ℃, preferably 120 ℃, to form the nano-conductive network. And/or 3) sintering in an IR furnace or a forced air oven at a temperature of 80-150deg.C, preferably 130deg.C. 4) The medium etching is to perform laser etching on a rigid substrate with a flat surface.
In this embodiment, the sheet resistance of the nano conductive network in 2) is 50 to 100 Ω, preferably 50 Ω.
In this embodiment, the dispersion liquid contains 0.1% -1% by mass of a nano conductive material, and the nano conductive material is selected from one of carbon nanotubes, graphene, silver nanowires and copper nanowires.
In this embodiment, the nano conductive material and silver paste are embedded in the photo-curing adhesive layer, and the photo-curing adhesive layer is combined with the flexible substrate of the flexible film without a transition adhesive layer.
In this embodiment, the thickness of the nano conductive network is 20-200nm, the thickness of the nano conductive network is preferably 200nm, the thickness of the flexible film is 5-50um, the thickness of the flexible film is preferably 23um, the thickness of the silver paste is 3-5um, and the thickness of the silver paste is preferably 4um.
In this embodiment, the viscosity of the photo-curing adhesive layer is 500-5000cps, the thickness of the coated photo-curing adhesive layer is 2-20um, the thickness of the photo-curing adhesive layer is preferably 10um, and the thickness of the ultrathin flexible double-layer touch screen sensor is 10-100um.
In this embodiment, the visible light transmittance of the ultrathin flexible double-layer touch screen sensor is 85% -95%, the thickness is 10-100um, preferably 50um, the bending radius is 1-6mm, preferably 2mm, and the bending times are more than hundred thousand times.
The invention has the beneficial effects that: the conductive touch pattern formed by silver paste on the rigid substrate and the touch pattern formed by silver paste on the flexible film are integrated on the photo-curing adhesive layer by utilizing the photo-curing adhesive layer, and meanwhile, the photo-curing adhesive layer and the flexible substrate are integrated into a whole to prepare the ultrathin flexible touch screen. The method can prepare the ultrathin double-layer capacitive structure touch sensor, the thickness of the sensor is determined according to the thickness of the flexible film, the material selection and the coating thickness of the photo-curing adhesive layer, and the photo-curing adhesive layer can be made to be very thin; meanwhile, the method realizes integration of the double-layer conductive image-text, the photo-curing adhesive layer and the flexible substrate, does not need lamination bonding of optical adhesive and the like to form a multi-layer structure, simplifies the manufacturing process, reduces the thickness and realizes the mechanical properties of super softness and bending resistance.
The foregoing has described in detail the technical solutions provided by the embodiments of the present invention, and specific examples have been applied to illustrate the principles and implementations of the embodiments of the present invention, where the above description of the embodiments is only suitable for helping to understand the principles of the embodiments of the present invention; meanwhile, as for those skilled in the art, according to the embodiments of the present invention, there are variations in the specific embodiments and the application scope, and the present description should not be construed as limiting the invention.
Claims (10)
1. The preparation method of the ultrathin flexible double-layer touch screen sensor is characterized by comprising the following steps of: the method comprises the following steps of S1 and S2:
the step S1 comprises the following steps:
1) Treating the rigid substrate with a flat surface, and adjusting the surface tension;
2) Coating nano conductive dispersion liquid on a rigid substrate, and removing a dispersing agent in the nano conductive dispersion liquid to form a nano conductive network;
3) Printing silver paste on the nano conductive network on the rigid substrate, removing the solvent in the silver paste and sintering;
4) Etching the nano conductive network and silver paste on the rigid substrate to form a touch graph;
5) Coating a photo-curing adhesive layer on the nano conductive surface of the rigid substrate, removing the solvent, and aligning and attaching one side of the flexible film on the photo-curing adhesive layer on the rigid substrate;
6) Photo-curing the photo-curing adhesive layer, and integrally forming a receiving electrode layer of the conductive touch sensor by the nano conductive network, the photo-curing adhesive layer and the flexible film on the rigid substrate;
7) Removing the formed receiving electrode layer of the conductive touch sensor from the rigid substrate to form an ultrathin flexible receiving electrode layer of the conductive touch sensor;
the step S2 comprises the following steps:
8-11), repeating the steps 1-4); 12 Coating a photo-curing adhesive layer on the nano conductive surface of the rigid substrate, removing the solvent to form an emitter layer of the conductive touch sensor, and attaching the other surface of the flexible film of the receiving electrode layer of the conductive touch sensor in the step S1 to the photo-curing adhesive layer in the step S2 in an alignment manner;
13 Light curing is carried out on the photo-curing adhesive layer, and the nano conductive network and the photo-curing adhesive layer on the rigid substrate form a double-sided conductive touch sensor;
14 The double-sided conductive touch sensor is torn off from the rigid substrate to form the ultrathin flexible double-layer touch screen sensor.
2. The method for manufacturing the ultrathin flexible double-layer touch screen sensor according to claim 1, wherein the method comprises the following steps: the photo-curing adhesive layer comprises the following components in percentage by mass: 0.2% -5% of photoinitiator, 25% -35% of modified polyurethane acrylic ester, and the balance of triazine ring-containing polyfunctional acrylic ester and dipentaerythritol polyfunctional acrylic ester;
or the photo-curing adhesive layer comprises the following components in percentage by mass: 0.2-5% of photoinitiator, 25-35% of modified polyurethane acrylate, 1-10% of inorganic nano filler, 0.5-2% of coupling agent, and the balance of triazine ring-containing multifunctional acrylate and dipentaerythritol multifunctional acrylate.
3. The method for manufacturing the ultrathin flexible double-layer touch screen sensor according to claim 1, wherein the method comprises the following steps: the flexible substrate of the flexible film is one of PET, PI, COP optical transparent substrates with light transmittance more than or equal to 90 percent; the rigid substrate is selected from one of glass, silicon chip and copper plate.
4. The method for manufacturing the ultrathin flexible double-layer touch screen sensor according to claim 1, wherein the method comprises the following steps: 1) Wherein the heat treatment temperature adopted by the rigid substrate to form the nano conductive network is 40-120 ℃; and/or 3) said sintering is carried out in an IR furnace or a forced air oven at a temperature of 80-150 ℃.
5. The method for manufacturing the ultrathin flexible double-layer touch screen sensor according to claim 1, wherein the method comprises the following steps: 2) The sheet resistance of the nano conductive network is 50-100 omega.
6. The method for manufacturing the ultrathin flexible double-layer touch screen sensor according to claim 1, wherein the method comprises the following steps: the dispersion liquid contains 0.1-1% of nano conductive material by mass percent, wherein the nano conductive material is selected from one of carbon nano tube, graphene, silver nano wire and copper nano wire.
7. The method for manufacturing the ultrathin flexible double-layer touch screen sensor according to claim 6, wherein the method comprises the following steps: the nanometer conductive material and the silver paste are embedded in the photo-curing adhesive layer, and the photo-curing adhesive layer is combined with the flexible substrate of the flexible film without a transition adhesive layer.
8. The method for manufacturing the ultrathin flexible double-layer touch screen sensor according to claim 1, wherein the method comprises the following steps: the thickness of the nano conductive network is 20-200nm, the thickness of the flexible film is 5-50um, and the thickness of the silver paste is 3-5um.
9. The method for manufacturing the ultrathin flexible double-layer touch screen sensor according to claim 1, wherein the method comprises the following steps: the viscosity of the photo-curing adhesive layer is 500-5000cps, the thickness of the coated photo-curing adhesive layer is 2-20um, and the thickness of the ultrathin flexible double-layer touch screen sensor is 10-100um.
10. The method for manufacturing the ultrathin flexible double-layer touch screen sensor according to claim 1, wherein the method comprises the following steps: the visible light transmittance of the ultrathin flexible double-layer touch screen sensor is 85% -95%, the thickness is 10-100um, the bending radius is 1-6mm, and the bending times are more than hundred thousand times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810892399.7A CN108776564B (en) | 2018-08-07 | 2018-08-07 | Preparation method of ultrathin flexible double-layer touch screen sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810892399.7A CN108776564B (en) | 2018-08-07 | 2018-08-07 | Preparation method of ultrathin flexible double-layer touch screen sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108776564A CN108776564A (en) | 2018-11-09 |
| CN108776564B true CN108776564B (en) | 2024-01-05 |
Family
ID=64028615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810892399.7A Active CN108776564B (en) | 2018-08-07 | 2018-08-07 | Preparation method of ultrathin flexible double-layer touch screen sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108776564B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109901743B (en) * | 2019-01-31 | 2023-02-28 | 深圳市骏达光电股份有限公司 | Flexible conductive material touch sensor and preparation method thereof |
| CN110045876A (en) * | 2019-05-09 | 2019-07-23 | 广州聚达光电有限公司 | A kind of composite double layer ultrathin flexible touch screen sensor and preparation method thereof |
| CN110045877A (en) * | 2019-05-09 | 2019-07-23 | 广州聚达光电有限公司 | A kind of narrow frame touch sensing and preparation method thereof based on nano-silver thread |
| CN111584129B (en) * | 2020-05-20 | 2023-05-05 | 苏州星烁纳米科技有限公司 | Double-sided transparent conductive film and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637486A (en) * | 2012-05-14 | 2012-08-15 | 南昌欧菲光科技有限公司 | Preparation method of double-layer transparent conductive film for capacitive touch screen |
| CN106201088A (en) * | 2016-07-13 | 2016-12-07 | 信利光电股份有限公司 | A kind of flexible base board and the manufacture method of touch screen |
| CN106445237A (en) * | 2016-10-11 | 2017-02-22 | 武汉华星光电技术有限公司 | Flexible built-in touch structure and preparation method |
| CN108121482A (en) * | 2018-02-08 | 2018-06-05 | 敦泰电子有限公司 | A kind of touch-screen, electronic equipment, wireless charging method and system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105094425A (en) * | 2015-07-17 | 2015-11-25 | 苏州诺菲纳米科技有限公司 | Touch sensor, preparation method thereof and display device provided with touch sensor |
-
2018
- 2018-08-07 CN CN201810892399.7A patent/CN108776564B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637486A (en) * | 2012-05-14 | 2012-08-15 | 南昌欧菲光科技有限公司 | Preparation method of double-layer transparent conductive film for capacitive touch screen |
| CN106201088A (en) * | 2016-07-13 | 2016-12-07 | 信利光电股份有限公司 | A kind of flexible base board and the manufacture method of touch screen |
| CN106445237A (en) * | 2016-10-11 | 2017-02-22 | 武汉华星光电技术有限公司 | Flexible built-in touch structure and preparation method |
| CN108121482A (en) * | 2018-02-08 | 2018-06-05 | 敦泰电子有限公司 | A kind of touch-screen, electronic equipment, wireless charging method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108776564A (en) | 2018-11-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108776564B (en) | Preparation method of ultrathin flexible double-layer touch screen sensor | |
| CN106601382B (en) | A kind of preparation method of flexible transparent conducting film | |
| KR101095097B1 (en) | Transparent electrode film, and its preparing Method | |
| CN203350852U (en) | Touch panel of electrostatic capacitance coupled mode | |
| WO2017012189A1 (en) | Touch sensor, preparation method thereof, and display device with touch sensor | |
| US20140267107A1 (en) | Photoactive Transparent Conductive Films | |
| CN111610871A (en) | Electrode structure and touch panel thereof | |
| CN105786242A (en) | Flexible touch panel sensing film and preparation method thereof | |
| TW201102701A (en) | Conductive plate and touch plate applied by the same | |
| CN103832013A (en) | Laminated structure, method of manufacturing laminated structure, and electronic apparatus | |
| CN103389846A (en) | Graphene touch screen electrode and fabrication method thereof | |
| CN108717338A (en) | A kind of flexible touch screen display module and preparation method thereof based on flexible cover plate | |
| CN112201408A (en) | Preparation method of flexible transparent conductive film | |
| CN107153486B (en) | Whole-surface foldable touch screen and manufacturing method and application thereof | |
| CN106433398B (en) | Electrically conducting transparent coating composition, touch panel and preparation method thereof, display device | |
| TW201250336A (en) | Method for making touch panel | |
| CN108549503A (en) | Touch panel and preparation method thereof, display device | |
| TW201251161A (en) | Method for making touch panel | |
| TW201250801A (en) | Method for making touch panel | |
| CN110362230B (en) | Ultrathin flexible bending-resistant touch screen | |
| CN209281368U (en) | Conductive mould group, the touch screen and display device for having the conduction mould group | |
| CN104423746A (en) | Touch screen preparation method | |
| CN111433614A (en) | Sensing film with integrated structure | |
| CN108196733A (en) | A kind of dry film type preparation method of capacitive touch screen | |
| KR20170042271A (en) | Transparent electrode and manufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |